Barometric Pressure Forecast for Coeur d'Alene, Idaho
Barometric pressure forecast for Coeur d'Alene, Idaho — at the north end of its lake, where the Rathdrum Prairie meets the Bitterroot foothills. See current barometric pressure and what it means for weather-sensitive people.
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Pressure and weather in Coeur d'Alene
Coeur d'Alene sits at about 2,200 feet where the flat Rathdrum Prairie runs up against the forested slopes of the Coeur d'Alene Mountains, with a long deep lake immediately to the south. Pacific storms reaching the Idaho Panhandle have already crossed the Cascades and lost some of their punch, but they arrive in long trains through the cold season and keep the barometer moving from October to April. The events that matter most are the warm subtropical plumes sometimes called the Pineapple Express, which bring mild air and heavy rain onto an existing snowpack and produce both flooding and a substantial pressure drop. The counterweight is the winter inversion: under a ridge, cold air settles into the prairie and the lake basin, fog and haze accumulate for days, and the pressure stays high and static. Summers are dry, warm and remarkably quiet on the barometer, with wildfire smoke a more common concern than storms.
What this means for you
The inland Northwest alternates between stormy Pacific spells and long stagnant inversions, so the calendar splits cleanly into active and inactive halves. Reviewing your barometric pressure forecast notes by season will show that split more clearly than a month-by-month look.